Carbonara freight CO2e for ChatGPT

io.github.majidkabir/carbonara

Freight CO2e by road, rail, sea, inland waterway and air (GLEC, ISO 14083), every step shown

client:ChatGPT transport:streamable-http tools:6

Install Carbonara freight CO2e in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://carbonara-co2.org/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs